<script setup lang="ts">
import type { IllnessType, Image  } from '@/types/consult';
import { uploadImage } from '@/api/consult'
import type { UploaderAfterRead, UploaderFileListItem } from 'vant/lib/uploader/types'
import { useConsultStore } from '@/stores';
import { computed, onMounted, ref } from 'vue';
import router from '@/router';
import { showConfirmDialog } from 'vant';
const store = useConsultStore()
const timeOptions = ref([{label:'一周内', value:1},{label:'一月内',value:2},{label:'半年内', value:3},{label:'半年以上',value:4}])
const flagOptions = ref([{label:'去过',value:0},{label:'没去过',value:1}])
// 定义病情描述表单变量
const form = ref<IllnessType>({
    illnessDesc:'',
    illnessTime:undefined,
    pictures:[],
    consultFlag:undefined
})
const fileList = ref<Image[]>([])
const onDeleteImg = (item:UploaderFileListItem) => {
  // TODO: 删除图片
  form.value.pictures = form.value.pictures?.filter(p => p.url !== item.url)
}
const onAfterRead: UploaderAfterRead = (item) => {
  // TODO 上传图片
  if(Array.isArray(item)) return
  if(!item.file) return
  // 开始上传
  item.status = 'uploading',
  item.message = '上传中...'
  uploadImage(item.file).then(res => {
    item.status = 'done'
    item.url = res.data.url
    form.value.pictures?.push(res.data)
  }).catch(() => {
    item.status = 'failed'
    item.message = '上传失败'
  })
}
// 通过计算属性确定是否可以点击下一步
const canNext = computed(() => {
  return form.value.illnessDesc && form.value.illnessTime!==undefined && form.value.consultFlag !==undefined
})
// 下一步
const nextStep = () => {
// 保存病情信息到pinia
store.setIillness(form.value)
router.push('/user/patient?isSel=1')
}
// 数据回显
/**
 * 每次进入到病情描述页面，都会将病情信息保存到pinia中，当用户选择患者后，再次进入病情描述页面，会将病情信息回显到页面上
 * 提示用户是否恢复之前的填写
 */
 onMounted(async ()=>{
  if(store.consult.illnessDesc){
    const res = await showConfirmDialog({
      title:'提示',
      message:'是否恢复上次填写的病情描述？',
      closeOnPopstate:false
    })
    if(res){
      const { illnessDesc, illnessTime, pictures, consultFlag } = store.consult
      form.value = { illnessDesc, illnessTime, pictures, consultFlag }
      // 图片回显
      // 图片回显
      fileList.value = pictures || []
    }
  }
})
</script>

<template>
  <div class="consult-illness-page">
    <cp-nav-bar title="图文问诊" />
    <!-- 医生提示 -->
    <div class="illness-tip van-hairline--bottom">
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <div class="info">
        <p class="tit">在线医生</p>
        <p class="tip">
          请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助
        </p>
        <p class="safe">
          <cp-icon href="consult-safe" /><span>内容仅医生可见</span>
        </p>
      </div>
    </div>
    <!-- 收集信息 -->
    <div class="illness-form">
      <van-field
        type="textarea"
        rows="3"
        placeholder="请详细描述您的病情，病情描述不能为空"
        v-model="form.illnessDesc"
      ></van-field>
      <div class="item">
        <p>本次患病多久了？</p>
        <cp-radio-btn :options="timeOptions" v-model="form.illnessTime"/>
      </div>
      <div class="item">
        <p>此次病情是否去医院就诊过？</p>
        <cp-radio-btn :options="flagOptions" v-model="form.consultFlag" />
      </div>
      <div class="item">
        <div class="illness-img">
          <van-uploader
          :after-read="onAfterRead"
          @delete="onDeleteImg"
          v-model="fileList"
          max-count="9"
          :max-size="5 * 1024 * 1024"
          upload-icon="photo-o"
          upload-text="上传图片"
        ></van-uploader>
        <p class="tip" >上传内容仅医生可见,最多9张图,最大5MB</p>
      </div>
      </div>
    </div>
    <!--下一步按钮:报存病情并跳转到患者选择页面-->
    <van-button block type="primary" round @click="nextStep" :disabled="!canNext">下一步</van-button>
  </div>
</template>

<style lang="scss" scoped>
.consult-illness-page {
  padding-top: 0;
}
.illness-tip {
  display: flex;
  padding: 15px;
  .img {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
  }
  .info {
    flex: 1;
    padding-left: 12px;
    .tit {
      font-size: 16px;
      margin-bottom: 5px;
    }
    .tip {
      padding: 12px;
      background: var(--cp-bg);
      color: var(--cp-text3);
      font-size: 13px;
      margin-bottom: 10px;
    }
    .safe {
      font-size: 10px;
      color: var(--cp-text3);
      display: flex;
      align-items: center;
      .cp-icon {
        font-size: 12px;
        margin-right: 2px;
      }
    }
  }
}
.illness-form {
  padding: 15px;
  .van-field {
    padding: 0;
    &::after {
      border-bottom: none;
    }
  }
  .item {
    > p {
      color: var(--cp-text3);
      padding: 15px 0;
    }
    .illness-img {
  padding-top: 16px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  .tip {
    font-size: 12px;
    color: var(--cp-tip);
  }
  ::v-deep() {
    .van-uploader {
      &__preview {
        &-delete {
          left: -6px;
          top: -6px;
          border-radius: 50%;
          background-color: var(--cp-primary);
          width: 20px;
          height: 20px;
          &-icon {
            transform: scale(0.9) translate(-22%, 22%);
          }
        }
        &-image {
          border-radius: 8px;
          overflow: hidden;
        }
      }
      &__upload {
        border-radius: 8px;
      }
      &__upload-icon {
        color: var(--cp-text3);
      }
    }
  }
}  

  }
}
</style>
